

Vanilla? XFCE was looked a bit like Win 95/98 the last time I used it, say 5 to 10 years ago. I’ve been using KDE which reminds me more of XP or Vista in default configuration. Probably why I like KDE so much.
What your probably looking for though is a theme.
There’s a couple of options.
I’ve used Grocy. It’s not intended for that particular use case but it would work. More for Grocery management.
Might want to check out https://awesome-selfhosted.net/